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Fairchild Semiconductor

Fairchild Semiconductor is a semiconductor manufacturer producing Linear Regulators (LDO), Gate Drivers, DC-DC Switching Regulators, AC-DC Converters & Offline Switchers, PFC Controllers. FPGACenter stocks 928 Fairchild Semiconductor products with global sourcing capabilities, quality inspection, and competitive pricing. All Fairchild Semiconductor components sourced through FPGACenter are 100% original with full traceability documentation.

928
Total Parts
360
In Stock
33
Categories
360
Active
563
EOL/Obsolete

Key Product Lines

Linear Regulators (LDO)Gate DriversDC-DC Switching RegulatorsAC-DC Converters & Offline SwitchersPFC Controllers

✅ Why Source Fairchild Semiconductor from FPGACenter

FPGACenter carries 928 Fairchild Semiconductor part numbers. Submit an RFQ for volume pricing and lead time on any Fairchild Semiconductor component.

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Fairchild Semiconductor Product Categories

Linear Regulators (LDO) (204)Gate Drivers (130)DC-DC Switching Regulators (107)AC-DC Converters & Offline Switchers (78)PFC Controllers (63)EEPROM (58)Power Supply Controllers & Monitors (36)Specialized Power Management (26)LED Drivers (25)Battery Chargers (24)Op Amps & Instrumentation Amplifiers (24)Power Distribution Switches (20)Special Purpose ICs (18)Voltage References (16)Signal Switches, MUX & Decoders (16)DC-DC Switching Controllers (11)Analog Comparators (11)Supervisors & Reset ICs (9)Motor Drivers & Controllers (9)Programmable Timers & Oscillators (8)Gates & Inverters (6)Buffers, Drivers, Receivers & Transceivers (5)Lighting & Ballast Controllers (5)Audio Amplifiers (5)EPROM (4)Current Regulation & Management (2)V/F and F/V Converters (2)Battery Management ICs (1)Drivers, Receivers & Transceivers (1)Linear & Switching Controllers (1)Full & Half-Bridge Drivers (1)ROM & NVRAM (1)Audio Special Purpose ICs (1)

All Fairchild Semiconductor Products

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Part NumberCategoryDescriptionPackageStockPriceStatus
KA7824ETSTULinear Regulators (LDO)The KA7824ETSTU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-3 package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA7824ETSTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-3RFQ for sourcingRFQOBSOLETERFQ
KA78L05ADLinear Regulators (LDO)The KA78L05AD is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78L05AD is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.8-SOIC (0.154", 3.90mm Width)RFQ for sourcingRFQOBSOLETERFQ
KA78L05AIMTFLinear Regulators (LDO)The KA78L05AIMTF is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a TO-243AA package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78L05AIMTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-243AARFQ for sourcing$0.8000OBSOLETERFQ
KA78L05AMTFLinear Regulators (LDO)The KA78L05AMTF is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a TO-243AA package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78L05AMTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-243AARFQ for sourcingRFQOBSOLETERFQ
KA78L09AZBULinear Regulators (LDO)The KA78L09AZBU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-226-3, TO-92-3 (TO-226AA) package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78L09AZBU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-226-3, TO-92-3 (TO-226AA)RFQ for sourcingRFQOBSOLETERFQ
KA78L10AZBULinear Regulators (LDO)The KA78L10AZBU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-226-3, TO-92-3 (TO-226AA) package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78L10AZBU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-226-3, TO-92-3 (TO-226AA)RFQ for sourcingRFQOBSOLETERFQ
KA78L12ADLinear Regulators (LDO)The KA78L12AD is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78L12AD is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.8-SOIC (0.154", 3.90mm Width)RFQ for sourcingRFQOBSOLETERFQ
KA78L12AZBULinear Regulators (LDO)The KA78L12AZBU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-226-3, TO-92-3 (TO-226AA) package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78L12AZBU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-226-3, TO-92-3 (TO-226AA)RFQ for sourcingRFQOBSOLETERFQ
KA78L15AZBULinear Regulators (LDO)The KA78L15AZBU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-226-3, TO-92-3 (TO-226AA) package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78L15AZBU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-226-3, TO-92-3 (TO-226AA)RFQ for sourcingRFQOBSOLETERFQ
KA78L18AZBULinear Regulators (LDO)The KA78L18AZBU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-226-3, TO-92-3 (TO-226AA) package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78L18AZBU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-226-3, TO-92-3 (TO-226AA)RFQ for sourcingRFQOBSOLETERFQ
KA78M05RTMLinear Regulators (LDO)The KA78M05RTM is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a TO-252-3, DPak (2 Leads + Tab), SC-63 package and is rated for operation across -40°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78M05RTM is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-252-3, DPak (2 Leads + Tab), SC-63RFQ for sourcingRFQOBSOLETERFQ
KA78M06RTFLinear Regulators (LDO)The KA78M06RTF is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a TO-252-3, DPak (2 Leads + Tab), SC-63 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78M06RTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-252-3, DPak (2 Leads + Tab), SC-63RFQ for sourcing$0.5712OBSOLETERFQ
KA78M12RTFLinear Regulators (LDO)The KA78M12RTF is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include 0°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a TO-252-3, DPak (2 Leads + Tab), SC-63 package and is rated for operation across 0°C ~ 125°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78M12RTF is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-252-3, DPak (2 Leads + Tab), SC-63RFQ for sourcing$0.5712OBSOLETERFQ
KA78R05CTSTULinear Regulators (LDO)The KA78R05CTSTU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -20°C ~ 80°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-4 Full Pack package and is rated for operation across -20°C ~ 80°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78R05CTSTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full PackRFQ for sourcingRFQOBSOLETERFQ
KA78R08CTSTULinear Regulators (LDO)The KA78R08CTSTU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -20°C ~ 80°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-4 Full Pack package and is rated for operation across -20°C ~ 80°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78R08CTSTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full PackRFQ for sourcingRFQOBSOLETERFQ
KA78R09CTSTULinear Regulators (LDO)The KA78R09CTSTU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -20°C ~ 80°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-4 Full Pack package and is rated for operation across -20°C ~ 80°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78R09CTSTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full PackRFQ for sourcing$1.70OBSOLETERFQ
KA78R09CTULinear Regulators (LDO)The KA78R09CTU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -20°C ~ 80°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-4 Full Pack package and is rated for operation across -20°C ~ 80°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78R09CTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full PackRFQ for sourcingRFQOBSOLETERFQ
KA78R09CYDTULinear Regulators (LDO)The KA78R09CYDTU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -20°C ~ 80°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-4 Full Pack, Formed Leads package and is rated for operation across -20°C ~ 80°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78R09CYDTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full Pack, Formed LeadsRFQ for sourcing$1.70OBSOLETERFQ
KA78R12CPWDLinear Regulators (LDO)The KA78R12CPWD is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -20°C ~ 80°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This - component is supplied in a standard package and is rated for operation across -20°C ~ 80°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78R12CPWD is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcingRFQOBSOLETERFQ
KA78R15CTULinear Regulators (LDO)The KA78R15CTU is an LDO voltage regulator manufactured by Fairchild Semiconductor. Technical highlights include -20°C ~ 80°C operating temperature; design review should confirm input voltage, output voltage, voltage threshold, LDO or supervisor behavior when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a TO-220-4 Full Pack package and is rated for operation across -20°C ~ 80°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the KA78R15CTU is no longer produced by Fairchild Semiconductor; FPGACenter maintains verified stock sourced through certified supply chain partners.TO-220-4 Full PackRFQ for sourcing$0.5945OBSOLETERFQ

Frequently Asked Questions

Where can I buy Fairchild Semiconductor electronic components?

FPGACenter stocks 928 Fairchild Semiconductor part numbers with 360 currently in stock. All parts are 100% original with full traceability. No minimum order quantity required. Submit an RFQ for competitive pricing.

Can I still get obsolete Fairchild Semiconductor parts?

Yes. FPGACenter specializes in sourcing hard-to-find and obsolete components. We have 563 end-of-life/obsolete Fairchild Semiconductor part numbers in our database, many available from verified stock or through our global sourcing network.

What types of Fairchild Semiconductor products does FPGACenter carry?

We stock Fairchild Semiconductor products across 33 categories including Linear Regulators (LDO), Gate Drivers, DC-DC Switching Regulators, AC-DC Converters & Offline Switchers. Browse our full catalog or contact our sourcing team for any specific Fairchild Semiconductor part number.

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